Numerical simulation of Brownian particles in optical force fields

Giorgio Volpe; Giovanni Volpe

doi:10.1117/12.2022517

12 September 2013 Numerical simulation of Brownian particles in optical force fields

Giorgio Volpe, Giovanni Volpe

Proceedings Volume 8810, Optical Trapping and Optical Micromanipulation X; 88102R (2013) https://doi.org/10.1117/12.2022517
Event: SPIE NanoScience + Engineering, 2013, San Diego, California, United States

Abstract

Optical forces can affect the motion of a Brownian particle. For example, optical tweezers use optical forces to trap a particle at a desirable position. Using more complex force fields it is possible to generate more complex configurations. For example, by using two optical traps placed next to each other, it is possible to obtain a bistable potential where a particle can jump between the two potentials with a characteristic time scale. In this proceeding, we discuss a simple finite difference algorithm that can be used to simulate the motion of a Brownian particle in a one-dimensional field of optical forces.

Citation Download Citation

Giorgio Volpe and Giovanni Volpe "Numerical simulation of Brownian particles in optical force fields", Proc. SPIE 8810, Optical Trapping and Optical Micromanipulation X, 88102R (12 September 2013); https://doi.org/10.1117/12.2022517

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